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Fix duplicate variants in Shopify CSV imports

Duplicate variant rows are a common reason Shopify imports fail. Keep one row per unique Handle + Variant SKU combination.

Before and after example

Handle,Title,Variant SKU
summer-tee,Summer Tee,TEE-BLK-S
summer-tee,Summer Tee,TEE-BLK-S
Handle,Title,Variant SKU
summer-tee,Summer Tee,TEE-BLK-S
  1. 1. Sort by Handle and Variant SKU.
  2. 2. Remove repeated combinations, keep the intended final row.
  3. 3. Recheck price, inventory, and required fields after dedupe.
  4. 4. Upload the updated file for validation.

Why this fails in Shopify

Duplicate key rows can cause import conflicts or overwrite ambiguity, especially when the same variant appears multiple times with different values.

Check My File FreeSee sample fixRelated: invalid SKU